Why Is It Necessary to Have a Standard for the Interpretation

question 10

Multiple Choice

Why is it necessary to have a standard for the interpretation of stable isotope ratios?

• A) A standard is necessary to calculate how rapidly the stable isotopes undergo radioactive decay.
• B) A standard is necessary to determine the stable isotope ratio in the absence of biological activity.
• C) A standard is necessary because samples are only presented in comparison with other samples of the same age.
• D) A standard is necessary to determine the age of the sample.

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Definitions:

Commercial Banks

Financial institutions that offer a wide range of services, including deposits, loans, and other financial products to both individuals and businesses.

Market Interest Rate

The prevailing rate of interest determined by supply and demand in the financial markets that borrowers must pay to lenders.

Banks and Thrifts

Financial institutions that accept deposits from the public and create credit. Thrifts, such as savings and loan associations, primarily focus on residential mortgage lending.

FDIC

The Federal Deposit Insurance Corporation (FDIC) is a United States government agency created in 1933 to insure deposits in banks and thrift institutions for at least $250,000 per depositor, per insured bank, for each account ownership category.